Patents Assigned to Display Technologies
  • Patent number: 12190805
    Abstract: The present application discloses a display panel and its driving method, driving circuit and display device. The display panel includes a pixel circuit and a light-emitting element; the pixel circuit includes a first reset module configured to provide a reset signal for the light-emitting element under control of a first control signal; operation modes of the display panel includes a first mode and a second mode, a brightness of the display panel is L1 under the first mode, the brightness of the display panel is L2 under the second mode, and L1<L2; a refresh frequency of the first control signal is F1 under the first mode, the refresh frequency of the first control signal is F2 under the second mode, and F1<F2.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: January 7, 2025
    Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yuheng Zhang, Xiaoting Xing, Xueqi Sun
  • Patent number: 12193308
    Abstract: Disclosed are a display panel and a display device. The display panel comprises a first curved area located between two second curved areas and corresponding to a corner of a plane area. The display panel comprises a support layer and a panel main body, and the support layer comprises a curved first part located in the first curved area and a curved second part located in the second curved area; the panel main body is located on the support layer and curved with the first part and the second part. An elastic modulus of the first part is smaller than an elastic modulus of the second part.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: January 7, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Ping He
  • Patent number: 12191319
    Abstract: An embodiment of the application discloses a panel and a manufacturing method thereof. In the panel, a thin-film transistor layer, a first conductive layer, a light-emitting diode (LED), and a second conductive layer are sequentially disposed on a substrate. The LED includes a first end and a second end. The first end is disposed on the first electrode. The second end is disposed on the second electrode. The second conductive layer includes a first conductive portion and a second conductive portion. The first conductive portion is electrically connected to the first end and the first electrode. The second conductive portion is electrically connected to the second end and the second electrode.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: January 7, 2025
    Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Macai Lu
  • Patent number: 12190828
    Abstract: To realize frame narrowing of a display device that uses a display element driven by a current. A second scanning signal line drive circuit configured to drive second scanning signal lines each connected to a control terminal of a writing control transistor is constituted by a shift register composed of unit circuits equal in number to half a number of the second scanning signal lines. Each of the unit circuits included in the shift register collectively drives two of the second scanning signal lines adjacent to each other.
    Type: Grant
    Filed: July 5, 2021
    Date of Patent: January 7, 2025
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventor: Kaoru Yamamoto
  • Patent number: 12190838
    Abstract: The present application discloses a control method for a display panel and a display panel, which adjust a shared voltage signal transmitted by the one of the sharing lines electrically connected to the auxiliary pixel electrodes of the sub-pixels corresponding to a color of color shift according to the color of color shift displayed by the display panel, so that the shared voltage signal after the adjusting is different from the shared voltage signal transmitted by the sharing lines electrically connected to the auxiliary pixel electrodes of the sub-pixels with different emission colors, so as to alleviate the problem of color shift of the display panel.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: January 7, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yoonsung Um, Zhigang Peng
  • Patent number: 12189248
    Abstract: An embodiment of the present application discloses a display panel including an array substrate including a common wiring. The common wiring includes a first wiring, the first wiring is disposed in a redundancy pixel region. An opposite substrate includes a common electrode layer disposed in a display region and a redundancy pixel region. Along a thickness direction of the display panel, the first wiring overlaps the common electrode layer. When the display panel is in a display state, an absolute value of a difference between a voltage inputted to the first wiring and a voltage inputted to the common electrode layer ranges from 0 to 1 volt.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: January 7, 2025
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD
    Inventors: Kunkun Jiang, Meng Wang
  • Patent number: 12190780
    Abstract: Disclosed are a GOA circuit and a display panel. The gate driver on array circuit comprises a plurality of GOA units, which is cascaded, and a nth stage GOA unit comprises: a pull-down module, pulling down a pull-up control signal and a nth stage gate drive signal to a low potential when the scanning is completed; and a pull-down maintaining module, maintaining the pull-up control signal and the nth stage gate drive signal at the low potential according to a nth stage non-inverting clock signal and a nth inverting clock signal.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: January 7, 2025
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Tuo Feng, Xianjin Ge
  • Patent number: 12190841
    Abstract: A pixel structure and a display panel are provided. The pixel structure includes a first pixel electrode, a first longitudinal signal line, and a second longitudinal signal line. The first pixel electrode includes a first main pixel area and a first sub-pixel area. The first longitudinal signal line includes a first main line and a first secondary-line. The second longitudinal signal line includes a second main line and a second secondary-line. The first main line and the second main line are arranged in the first main pixel area, and the first secondary-line and the second secondary-line are arranged in the first sub-pixel area.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: January 7, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Ruifa Tan, Tianhong Wang, Xiaohui Yao
  • Patent number: 12191293
    Abstract: A display device and a method for fabricating the same are provided. The display device includes a support substrate, a light-emitting chip, and a thin film transistor. The light-emitting chip is disposed on a side of the support substrate. The thin film transistor is disposed on a side of the light-emitting chip away from the support substrate. The thin film transistor is connected to the light-emitting chip.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: January 7, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Shijuan Yi
  • Patent number: 12189239
    Abstract: An edge-lit backlight module (7) includes a light guide plate (71), at least one polarizer (72) and at least one light source (73). The light guide plate (71) has side faces (71a). A polarizer (72) is disposed opposite to a side face (71a) of the light guide plate (71). A light source (73) is disposed on a side of a polarizer (72) away from the light guide plate (71). The at least one polarizer (72) is configured to convert light emitted from a light source (73) disposed on a side of the polarizer away from the light guide plate to the light guide plate (71) into linearly polarized light.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: January 7, 2025
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbo Dong, Chaoyue Wang, Wei Zhang, Chao Li
  • Patent number: 12189427
    Abstract: A display panel and a display device are provided. The display panel includes a panel body and a support plate. A plurality of groove sets are provided on the support plate. Each groove set includes a plurality of grooves. An area of one of any two adjacent groove sets that is away from the bending center line is greater than an area of the other groove set close to a bending center line. An arrangement density of the grooves in the groove set away from the bending center line is greater than an arrangement density of the grooves in the other groove set close to the bending center line.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: January 7, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Wen Han, Hwajin Oh
  • Patent number: 12189254
    Abstract: Provided is an array substrate which includes a base substrate; a plurality of common electrodes disposed on a side of the base substrate; a plurality of data lines disposed on a side of the base substrate, wherein with respect to each of the data lines, a distance between the data line and a first target common electrode is different from a distance between the data line and a second target common electrode; and a plurality of pixel electrodes arranged in an array and disposed on a side of the base substrate.
    Type: Grant
    Filed: January 25, 2024
    Date of Patent: January 7, 2025
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qi Liu, Zhenkun Yu, Zexu Liu, Wei Zhang, Lu Niu
  • Patent number: 12189166
    Abstract: Disclosed is a backlight assembly, including first and second light guide plates, and first and second light sources; light emitted by the first light source can be emitted from a surface of the first light guide plate facing the second light guide plate at a first set emitting angle, after being incident into the first light guide plate and reflected by a plurality of first microstructures disposed on a surface of the first light guide plate facing away from the second light guide plate; light emitted by the second light source can be emitted from a surface of the second light guide plate facing away from the first light guide plate at a second set emitting angle, after being incident into the second light guide plate and reflected by a plurality of second microstructures disposed on a surface of the second light guide plate facing the first light guide plate.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: January 7, 2025
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yongle Qi, Rui Han, Qing Ma, Daekeun Yoon, Dong Cui, Zhipeng Zhang, Yuanyuan Zhu, Weining Chi, Fengping Wang, Shouyang Leng, Wenyang Li, Yue Zhai
  • Patent number: 12193265
    Abstract: An organic light-emitting diode (OLED) display panel and an electronic device are disclosed. The OLED display panel includes a display area having a light-emitting area and a non-light emitting area. The OLED display panel includes a cover. The cover includes a base layer, a color resist layer, a black matrix layer, a planarization layer, and a first optical compensation layer. The first optical compensation layer is located corresponding to the black matrix layer.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: January 7, 2025
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zhijun Wan
  • Patent number: 12190785
    Abstract: Provided are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data write module, a drive module and a first reset module. The data write module is configured to transmit a data signal in response to a scan signal of a first scan terminal. The drive module is configured to provide a drive current for the light-emitting element and includes a drive transistor. The drive transistor is configured to generate the drive current according to the data signal. The first reset module is connected between a first signal line and a gate of the drive transistor and configured to transmit a signal of the first signal line to the gate of the drive transistor. The data write module is connected between the first signal line and an input terminal of the drive transistor.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: January 7, 2025
    Assignee: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Yingteng Zhai, Tianyi Wu, Feng Qin
  • Patent number: 12193275
    Abstract: A display backplane and a mobile terminal are provided. The display backplane includes a substrate, a plurality of pixel units disposed on the substrate, and a barrier layer disposed on the substrate. The pixel unit includes a reflection unit, the barrier layer includes a plurality of barriers arranged between two adjacent pixel units, and two adjacent reflection units are separately provided by the barriers.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: January 7, 2025
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jia Tang
  • Patent number: 12189243
    Abstract: A display apparatus includes an array substrate and an opposite substrate arranged opposite the array substrate. The array substrate includes a first substrate and a plurality of sub-pixels disposed on the first substrate and arranged in an array. The opposite substrate includes a second substrate and a plurality of first spacers arranged at a side of the second substrate proximate to the array substrate. An orthographic projection, on the array substrate, of a first spacer is in a region where a region between two adjacent rows of sub-pixels intersects with a region between two adjacent columns of sub-pixels.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: January 7, 2025
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Mengjie Wang
  • Patent number: 12193157
    Abstract: A display screen and a manufacturing method thereof are disclosed. A first conductive adhesive and a second conductive adhesive are disposed between a daughter board and a mother board. A first adhesive force is formed between the first conductive adhesive and the daughter board, a second adhesive force is formed between the first conductive adhesive and the second conductive adhesive, and a third adhesive force is formed between the second conductive adhesive and the mother board. A technical problem of the daughter board and the mother board being difficult to separate for rework after assembly can be solved by allowing both the first adhesive force and the second adhesive force to be greater than the third adhesive force.
    Type: Grant
    Filed: April 24, 2022
    Date of Patent: January 7, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chengsheng Luo, Tiyao Ma, Yingchuan Jiang, Wenxu Xianyu
  • Patent number: 12193288
    Abstract: A display panel includes a driving substrate, a display substrate, and an adhering layer. The driving substrate includes a first bonding electrode and a driving circuit of the display panel. The display substrate includes a second bonding electrode and a display unit of the display panel. The second bonding electrode corresponds to the first bonding electrode of the driving substrate. The adhering layer is disposed between the driving substrate and the display substrate, and includes a conductive glue and an adhesive. The conductive glue is electrically connected to the first bonding electrode of the driving substrate and the second bonding electrode of the display substrate, so that the driving circuit is electrically connected to the display unit, and the adhesive adheres surfaces of the driving substrate and the display substrate facing each other.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: January 7, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yingchuan Jiang
  • Patent number: 12190765
    Abstract: The present application provides a GOA circuit and a display panel. The GOA circuit includes a plurality of cascaded GOA units. Every GOA unit includes a pull-up control module, a pull-up output module, a pull-down control module, a pull-down output module, a pull-down maintenance module, and a random location module. By adding the random location module in the GOA unit, the GOA circuit has a function of randomly selecting rows and outputting scanning signals, so as to realize a purpose of randomly selecting rows for mobility detection and compensation.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: January 7, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Xiang Yin